To start with take a look at the most simple family of green roofs.
Extensive green roof nz.
Aesthetical ecological purpose.
Suitable for new or existing buildings low maintenance green roofs are planted with oasis sedums or oasis wildflower mixes creating intensive or extensive green roofs.
They are sometimes known as living roofs and can contain sedum and a variety of new zealand native plants which grow in a substrate growing medium.
It is the most economical solution.
In a first for new zealand waitakere city council has installed a commercial scale green roof on its newly constructed civic centre.
The liveroof modular green roof system uses stormwater360 s compliant green roof soil media and has numerous new zealand native or sedum succulent planting options.
These green roofs are installed to a specific design to create a bespoke green roof solution.
Working with landcare research soil scientists and ecologists the council designed and installed a 500 m2low profile green roof specific to new zealand conditions.
Install a green roof or garden roof to help the environment and simultaneously reap the numerous benefits as well as a longer lasting roofing structure.
These are covered with low growing plants such as evergreen sedums.
The cost of a green roof generally starts at around 200 per square metre to supply install and maintain for the first 12 months an extensive green roof.
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How much does a green roof cost.
Greenroofs ltd can offer both of the above options using both exotic and nz native plants.
The planting medium in extensive green roofs ranges from 1 6 to 6 inches deep and while deeper systems have been installed they are not favored as much as the shallower systems drought tolerant sedums succulent plants and grasses are the typical plants used since they are shallow rooted and use little water plant diversity on these roofs is kept low to simplify care and to be sure all plants have similar moisture requirements.
Besides the visual impact of an extensive green roof they also provide a natural habitat for birds and insects.
The main reasons for installing an extensive green roof are stormwater mitigation visual appeal reducing the environmental impact of the building creating habitat for native flora and fauna and enhancing building performance.
Green roofs are plants and vegetation growing on a roof.
Requires very low maintenance.
Is only accessible for inspection and maintenance.
On wood metal and concrete roofs.
From a distance an extensive sedum roof can be mistaken for a grass field.
The factors affecting cost include craneage size location height layout and type of green roof required.
The extensive green roof.